Chapter 2 Basic Vector Operations 121
Apply sparse Givens rotation SROTI/DROTI
Input m Number of interesting elements of x, m ≤ n, where n is
the length of y. If m ≤ 0, the subprograms do not
reference x, indx, or y.
x Array containing the interesting elements of x.
x(j)=x
i
if indx(j)=i.
